He's such a great singer because he's not afraid to do whatever it takes with words. With the Psalms he says things weird but it fits musically. Old Neptune is roaring and shaking his fist, swallowing islands and timber'd ships.
And lastly this makes me think of a song I found that, I don't know how many views it has now but it's one of the greatest songs ever created and it had less than a thousand views when I saw it. https://www.youtube.com/watch?v=afclPEZC3Ok